Study of the precipitation hardening process in recycled Al-Si-Cu cast alloys

• Autorzy: Kuchariková L. , Tillová E. , Matvija M. , Belan J. , Chalupová M.

Identyfikatory

DOI

10.1515/amm-2017-0062

• Języki publikacji: EN

Abstrakty

EN

The formation of extremely small uniformly dispersed particles of a second phase within the original phase matrix during heat treatment changed material properties. Therefore the characterization of precipitation had been investigated using high resolution transmission electron microscopy (TEM) and electron diffraction of thin foils for an AlSi9Cu3 cast alloy. For investigation the hardening effect onto mechanical properties of aluminium cast was used heat treatment, which consisted from solution treatment at 515°C / 4 hours (h), followed by quenching into water with temperature 50°C and artificial aging using different temperatures 170°C and 190°C with different holding time 2, 4, 8, 16, and 32 hours. The observations of microstructure and substructure reveals that precipitation hardening has caused great changes in size, morphology and distributions of structural components, the formation of precipitates of Cu phases, and the change of mechanical properties as well.

Słowa kluczowe

EN

precipitation hardening; recycled Al-Si-Cu cast alloys; Cu precipitate; mechanical properties; transmission electron microscopy

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2017
• Tom: Vol. 62, iss. 1
• Strony: 397--403
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Kuchariková L.

• University of Žilina, Faculty of Mechanical Engineering, Univerzitná 8215/1, 010 26 Žilina, Slovakia

autor

Tillová E.

• University of Žilina, Faculty of Mechanical Engineering, Univerzitná 8215/1, 010 26 Žilina, Slovakia

autor

Matvija M.

• Technical University of Košice, Faculty of Metallurgy, Letná 9, 042 00 Košice, Slovakia

autor

Belan J.

• University of Žilina, Faculty of Mechanical Engineering, Univerzitná 8215/1, 010 26 Žilina, Slovakia

autor

Chalupová M.

• University of Žilina, Faculty of Mechanical Engineering, Univerzitná 8215/1, 010 26 Žilina, Slovakia

Bibliografia

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Uwagi

EN

This work has been supported by Scientific Grant Agency of Ministry of Education of Slovak republic No1/0533/15, No044ŽU-4/2014.

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).